| 对顶角 | [对 顶 角 / 對 頂 角] angle to the vertical; angle (between two lines or two planes) #282,462 [Add to Longdo] |
| 頂角 | [ちょうかく, choukaku] (n) vertical angle [Add to Longdo] |
| 対頂角 | [たいちょうかく, taichoukaku] (n) vertical angles; vertically opposite angles [Add to Longdo] |